org.vmutil.options

Class IntOption

java.lang.Object

org.vmutil.options.Option

org.vmutil.options.IntOption

Direct Known Subclasses:

ConcurrentTrigger, GCspyPort, GCspyTileSize, MarkSweepMarkBits, Threads, TraceRate, Verbose

public class IntOption
extends Option

An option with a simple integer value.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	defaultValue
protected int	value

Fields inherited from class org.vmutil.options.Option

ADDRESS_OPTION, BOOLEAN_OPTION, ENUM_OPTION, FLOAT_OPTION, INT_OPTION, MICROSECONDS_OPTION, PAGES_OPTION, RAW, READABLE, set, STRING_OPTION, XML

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	IntOption(OptionSet set, String name, String desc, int defaultValue) Create a new int option.

Method Summary

Modifier and Type	Method and Description
int	getDefaultValue() Read the default value of the option.
int	getValue() Read the current value of the option.
void	setDefaultValue(int value) Modify the default value of the option.
void	setValue(int value) Update the value of the option, echoing the change if the echoOptions option is set.

Methods inherited from class org.vmutil.options.Option

fail, failIf, getDescription, getKey, getName, getNext, getType, setNext, validate, warn, warnIf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

defaultValue

protected int defaultValue

value

protected int value

Constructor Detail

IntOption

protected IntOption(OptionSet set,
                    String name,
                    String desc,
                    int defaultValue)

Create a new int option.

Parameters:

set - The option set this option belongs to.

name - The space separated name for the option.

desc - The purpose of the option

defaultValue - The default value of the option.

Method Detail

getValue

public int getValue()

Read the current value of the option.

Returns:

The option value.

getDefaultValue

public int getDefaultValue()

Read the default value of the option.

Returns:

The default value.

setValue

public void setValue(int value)

Update the value of the option, echoing the change if the echoOptions option is set. This method also calls the validate method to allow subclasses to perform any required validation.

Parameters:

value - The new value for the option.

setDefaultValue

public void setDefaultValue(int value)

Modify the default value of the option.

Parameters:

value - The new default value for the option.